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which best identifies the underlined clause?

these small animals, which are pounded by waves constantly, have developed different ways to keep from being washed away.

a.
independent clause

b.
adjective clause

c.
adverb clause

d.
noun clause

These small animals, which are pounded by waves constantly, have developed different ways to keep from being washed away.

B.  adjective clause

An adjective clause is a dependent clause that, like an adjective, modifies a noun or pronoun. In this case, the adjective clause  which are pounded by waves constantly modifies the noun animals.

harmed

explanation:

every four years the american people choose a new president, and 1988 is one of those years."